Keywords: Everglades National Park 3c 1947 issue U.S. stamp.jpg Everglades National Park 3-cent 1947 issue U S stamp commemorating the dedication of the park 1947-12-05 U S Postal Service; National Postal Museum http //arago si edu/category_2028785 html Everglades National Park Issue Bureau of Engraving and Printing other versions PD-USGov Stamps of the United States 1941-1950 Commemorative stamps of the United States Everglades National Park Birds on stamps of the United States Ardeidae on stamps 1947 stamps of the United States Stamps of national parks in the United States Green stamps |